The highest resolution supported by the NEC PX602 is 4096 x 2160. That's over four times the resolution of the most common supported graphics resolutions of 1600 x 1200 (UXGA) (which is also supported by this projector). In addition, this data projector support supported graphics resolutionss of 2048 x 1080, 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1400 x 1050 (SXGA+), 1920 x 1200 (WUXGA), 2560 x 1600 (WQXGA) and 640 x 480 (VGA) and 800 x 600 (SVGA).
This multimedia projector's resolution (4096 x 2160) is actually the best supported resolution amongst all projectors of this spec and age.
Amongst similar types of multimedia projector the worst supported resolution is 640 x 400.